Reflections of various renditions of Piti from the Patisambhidamagga. And the natural cascade of arising of piti through the Seven Factors of Awakening, as outlined in the Anapanasati Sutta.
Overview of the second tetrad, with emphasis on step five (piti); five kinds of piti presented and five jhanic factors as preparation for jhanas and antidotes to hinderances.
A review of the first tetrad discussing adjusting the mode of observation. For samatha mode, the preliminary signs of breath touch is calmed to a perception of the feint effect of the breathing process.
Similes for the experience of touch and contact (step 3): musician practicing an instrument; a person sawing a log; gatekeeper guarding arrivals and departures; an embroiderer threading a needle. Subdivisions of the emergence of the nimitta and nama rupa also presented as the "whole body".
Discussion of the sixteen steps; the letting go of each tetrad, and how each one achieves the Four Establishments of Mindfulness. Focus on the first tetrad about the body.